(function($){
		var selects=$('select');//获取select
		for(var i=0;i<selects.length;i++){
			createSelect(selects[i],i);
		}
		function createSelect(select_container,index){
			//创建select容器，class为select_box，插入到select标签前
			var tag_select=$('<div></div>');//div相当于select标签
			tag_select.attr('class','select_box');
			tag_select.insertBefore(select_container);
			//显示框class为select_showbox,插入到创建的tag_select中
			var select_showbox=$('<div></div>');//显示框
			select_showbox.css('cursor','pointer').attr('class','select_showbox').appendTo(tag_select);
			//创建option容器，class为select_option，插入到创建的tag_select中
			var ul_option=$('<ul></ul>');//创建option列表
			ul_option.attr('class','select_option');
			ul_option.attr('id','select_option1');
			ul_option.appendTo(tag_select);
			createOptions(index,ul_option);//创建option
			//点击显示框
			tag_select.toggle(function(){
				ul_option.show();
			},function(){
				ul_option.hide();
			});
			var li_option=ul_option.find('li');
			li_option.on('click',function(){
				$(this).addClass('selected').siblings().removeClass('selected');
				var value=$(this).text();
				select_showbox.text(value);
				ul_option.hide();
			});
			li_option.hover(function(){
				$(this).addClass('hover').siblings().removeClass('hover');
			},function(){
				li_option.removeClass('hover');
			});
		}
		var level1;
		function clickLi(){
			level1 = level=$(this).attr("value"); 
		}
		function createOptions(index,ul_list){
			//获取被选中的元素并将其值赋值到显示框中
			var options=selects.eq(index).find('option'),
				selected_option=options.filter(':selected'),
				selected_index=selected_option.index(),
				showbox=ul_list.prev();
				showbox.text(selected_option.text());
			//为每个option建立个li并赋值
			for(var n=0;n<options.length;n++){
				var tag_option=$('<li></li>'),//li相当于option
					txt_option=options.eq(n).text();
				var txt_option_val=options.eq(n).val();
				tag_option.text(txt_option).css('cursor','pointer').appendTo(ul_list);
				tag_option.attr('value',txt_option_val);
				tag_option.attr('onclick','clickLi('+txt_option_val+')');
				//为被选中的元素添加class为selected
				if(n==selected_index){
					tag_option.attr('class','selected');
					
				}
			}
		}
		})(jQuery)
		
/*	function moreddhide(e) {
	    if (!e) {
	    	var e = window.event;
	    }
	    var a;
	    if (e.srcElement) {
	         a = e.srcElement.getAttribute("id")
	    } else {
	         a = e.target.getAttribute("id")
	    }
	    if (a != "select_option1") {
	        $('#select_option1')[0].style.display = 'none'
	    }
	};
	
	document.onclick = moreddhide;*/